Home / 245,855,647.20-368,802,133.20-73,318,994.40

Finding the Fourth Proportional to 245,855,647.20, 368,802,133.20 and 73,318,994.40

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Solution

The fourth proportional to 245,855,647.20, 368,802,133.20 and 73,318,994.40 is: 109,984,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,855,647.20 : 368,802,133.20 = 73,318,994.40 : x
  2. Step 2: Convert to fraction form
    245,855,647.20/368,802,133.20 = 73,318,994.40/x
  3. Step 3: Cross multiply
    245,855,647.20x = 368,802,133.20 × 73,318,994.40
  4. Step 4: Simplify right side
    245,855,647.20x = 27,040,201,538,798,856
  5. Step 5: Solve for x
    x = 27,040,201,538,798,856/245,855,647.20
  6. Step 6: Final answer
    x = 109,984,057.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.